$ git clone -n https://src.fedoraproject.org/rpms/kio-extras-kf5.git /var/lib/mock/f41-build-side-1-3126997-39530/root/chroot_tmpdir/scmroot/kio-extras-kf5
Cloning into '/var/lib/mock/f41-build-side-1-3126997-39530/root/chroot_tmpdir/scmroot/kio-extras-kf5'...
$ git fetch origin 58fc5222fa2cb0c3cc71a49f616d7535c616573a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kio-extras-kf5
 * [new ref]         58fc5222fa2cb0c3cc71a49f616d7535c616573a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58fc522 convert GPLv2+ license to SPDX